This report discusses the characteristics, challenges, techniques and business support of Big Data. It explains the importance of Big Data in helping businesses make better decisions, improve product quality, and tap potential customers. The challenges of Big Data analytics are also discussed, including the lack of skilled professionals, data growth, confusion in tool selection, data safety, and lack of understanding. The techniques currently available to analyze Big Data are also presented, including A/B testing, data fusion and integration, statistics, machine learning, natural language processing, and data mining. The report also includes a poster on Big Data.